Almost every platform in this market takes a commission on each transaction, on top of the subscription. While you are validating your idea, it is painless. The moment it works, it becomes a tax on your growth: every extra euro of volume feeds your supplier’s invoice.
On the subscription tiers there is no commission: you keep 100% of your transactions, minus only your payment provider’s fees — those exist everywhere and none of them come to me. At €10,000 of monthly volume as at €100,000, the subscription stays the same.
A second way to pay is coming soon, designed for projects that are just starting: a percentage of your transaction volume instead of the monthly subscription, with the rate announced at launch. The two models are mutually exclusive — you pick one or the other, they never stack, and the setup fee remains due in both cases. Online payment runs through Stripe Connect with automatic splitting between sellers, or in direct collection mode if that suits your business.